.van-nav-bar {
    background-color: #1989fa;
    /deep/ .van-icon {
      color: #fff;
    }
    /deep/ .van-nav-bar__text {
      color: #fff;
    }
    /deep/ .van-nav-bar__title {
      color: #fff;
    }
  }
  .van-cell{
    border-bottom: 1px solid #f5f5f5c9;
    color: #646566
  }